<?php

class Mailer  
{  
  
    function __construct($relay_host = "", $smtp_port = 25,$auth = false,$user,$pass){  
   
		$this->debug = FALSE;  
		
	  $this->smtp_port = $smtp_port;  
		
	  $this->relay_host = $relay_host;  
		
	  $this->time_out = 60; //is used in fsockopen()   
		
	  $this->auth = $auth;//auth  
		
	  $this->user = $user;  
		
	  $this->pass = $pass;  
		
	  $this->host_name = "localhost"; //is used in HELO command   
	  $this->log_file = "";  
		
	  $this->sock = FALSE;  
   
 }  
  
/* Main Function */  
  
 function sendMail($to, $from, $subject = "", $body = "", $mailtype, $returnpath = "", $cc = "", $bcc = "", $additional_headers = "")  
   
 {  
   
 $mail_from = $this->get_address($this->strip_comment($from));  
   
 #$body = ereg_replace("(^|(\r\n))(\.)", "\1.\3", $body);  
 $body = preg_replace("/(^|(\r\n))(\.)/", "\1.\3", $body);  
   
   
 $header = "";  
 if(isset($returnpath) && $returnpath != "")  
 {  
 $header .= "Reply-To:".$returnpath."\r\n";  
 }  
   
 $header .= "MIME-Version:1.0\r\n";  
   
 if($mailtype=="HTML"){  
   
 #$header .= 'Content-Type:text/html; charset=gb2312' . "\r\n";  
 $header .= 'Content-Type:text/html; charset=utf-8' . "\r\n";  
   
 }  
   
 $header .= "To: ".$to."\r\n";  
   
 if ($cc != "") {  
   
 $header .= "Cc: ".$cc."\r\n";  
   
 }  
   
 $header .= "From: $from<".$from.">\r\n";  
   
 $header .= "Subject: ".$subject."\r\n";  
   
 $header .= $additional_headers;  
   
 $header .= "Date: ".date("r")."\r\n";  
   
 $header .= "X-Mailer:By Redhat (PHP/".phpversion().")\r\n";  
   
 list($msec, $sec) = explode(" ", microtime());  
   
 $header .= "Message-ID: <".date("YmdHis", $sec).".".($msec*1000000).".".$mail_from.">\r\n";  
   
 $TO = explode(",", $this->strip_comment($to));  
   
 if ($cc != "") {  
   
 $TO = array_merge($TO, explode(",", $this->strip_comment($cc)));  
   
 }  
   
 if ($bcc != "") {  
   
 $TO = array_merge($TO, explode(",", $this->strip_comment($bcc)));  
   
 }  
   
 $sent = TRUE;  
   
 foreach ($TO as $rcpt_to) {  
   
 $rcpt_to = $this->get_address($rcpt_to);  
   
 if (!$this->smtp_sockopen($rcpt_to)) {  
   
 $this->log_write("Error: Cannot send email to ".$rcpt_to."\n");  
   
 $sent = FALSE;  
   
 continue;  
   
 }  
   
 if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $header, $body)) {  
   
 $this->log_write("E-mail has been sent to <".$rcpt_to.">\n");  
   
 } else {  
   
 $this->log_write("Error: Cannot send email to <".$rcpt_to.">\n");  
   
 $sent = FALSE;  
   
 }  
   
 fclose($this->sock);  
   
 $this->log_write("Disconnected from remote host\n");  
   
 }  
   
 return $sent;  
   
 }  
   
    
   
 /* Private Functions */  
   
    
   
 function smtp_send($helo, $from, $to, $header, $body = "")  
   
 {  
   
 if (!$this->smtp_putcmd("HELO", $helo)) {  
   
 return $this->smtp_error("sending HELO command");  
   
 }  
   
 #auth  
   
 if($this->auth){  
   
 if (!$this->smtp_putcmd("AUTH LOGIN", base64_encode($this->user))) {  
   
 return $this->smtp_error("sending HELO command");  
   
 }  
   
 if (!$this->smtp_putcmd("", base64_encode($this->pass))) {  
   
 return $this->smtp_error("sending HELO command");  
   
 }  
   
 }  
   
 #  
   
 if (!$this->smtp_putcmd("MAIL", "FROM:<".$from.">")) {  
   
 return $this->smtp_error("sending MAIL FROM command");  
   
 }  
   
 if (!$this->smtp_putcmd("RCPT", "TO:<".$to.">")) {  
   
 return $this->smtp_error("sending RCPT TO command");  
   
 }  
   
 if (!$this->smtp_putcmd("DATA")) {  
   
 return $this->smtp_error("sending DATA command");  
   
 }  
   
 if (!$this->smtp_message($header, $body)) {  
   
 return $this->smtp_error("sending message");  
   
 }  
   
 if (!$this->smtp_eom()) {  
   
 return $this->smtp_error("sending <CR><LF>.<CR><LF> [EOM]");  
   
 }  
   
 if (!$this->smtp_putcmd("QUIT")) {  
   
 return $this->smtp_error("sending QUIT command");  
   
 }  
   
 return TRUE;  
   
 }  
   
 function smtp_sockopen($address)  
   
 {  
   
 if ($this->relay_host == "") {  
   
 return $this->smtp_sockopen_mx($address);  
   
 } else {  
   
 return $this->smtp_sockopen_relay();  
   
 }  
   
 }  
   
 function smtp_sockopen_relay()  
   
 {  
   
 $this->log_write("Trying to ".$this->relay_host.":".$this->smtp_port."\n");  
   
 $this->sock = @fsockopen($this->relay_host, $this->smtp_port, $errno, $errstr, $this->time_out);  
   
 if (!($this->sock && $this->smtp_ok())) {  
   
 $this->log_write("Error: Cannot connenct to relay host ".$this->relay_host."\n");  
   
 $this->log_write("Error: ".$errstr." (".$errno.")\n");  
   
 return FALSE;  
   
 }  
   
 $this->log_write("Connected to relay host ".$this->relay_host."\n");  
   
 return TRUE;  
   
 }  
   
    
   
 function smtp_sockopen_mx($address)  
   
 {  
   
 #$domain = ereg_replace("^.+@([^@]+)$", "\1", $address);  
 $domain = preg_replace("/^.+@([^@]+)$/", "\1", $address);  
   
 if (!@getmxrr($domain, $MXHOSTS)) {  
   
 $this->log_write("Error: Cannot resolve MX \"".$domain."\"\n");  
   
 return FALSE;  
   
 }  
   
 foreach ($MXHOSTS as $host) {  
   
 $this->log_write("Trying to ".$host.":".$this->smtp_port."\n");  
   
 $this->sock = @fsockopen($host, $this->smtp_port, $errno, $errstr, $this->time_out);  
   
 if (!($this->sock && $this->smtp_ok())) {  
   
 $this->log_write("Warning: Cannot connect to mx host ".$host."\n");  
   
 $this->log_write("Error: ".$errstr." (".$errno.")\n");  
   
 continue;  
   
 }  
   
 $this->log_write("Connected to mx host ".$host."\n");  
   
 return TRUE;  
   
 }  
   
 $this->log_write("Error: Cannot connect to any mx hosts (".implode(", ", $MXHOSTS).")\n");  
   
 return FALSE;  
   
 }  
   
    
   
 function smtp_message($header, $body)  
   
 {  
   
 fputs($this->sock, $header."\r\n".$body);  
   
 $this->smtp_debug("> ".str_replace("\r\n", "\n"."> ", $header."\n> ".$body."\n> "));  
   
    
   
 return TRUE;  
   
 }  
   
    
   
 function smtp_eom()  
   
 {  
   
 fputs($this->sock, "\r\n.\r\n");  
   
 $this->smtp_debug(". [EOM]\n");  
   
    
   
 return $this->smtp_ok();  
   
 }  
   
    
   
 function smtp_ok()  
   
 {  
   
 $response = str_replace("\r\n", "", fgets($this->sock, 512));  
   
 $this->smtp_debug($response."\n");  
   
    
   
 #if (!ereg("^[23]", $response)) {  
 if (!preg_match("/^[23]/", $response)) {  
   
 fputs($this->sock, "QUIT\r\n");  
   
 fgets($this->sock, 512);  
   
 $this->log_write("Error: Remote host returned \"".$response."\"\n");  
   
 return FALSE;  
   
 }  
   
 return TRUE;  
   
 }  
   
 function smtp_putcmd($cmd, $arg = "")  
   
 {  
   
 if ($arg != "") {  
   
 if($cmd=="") $cmd = $arg;  
   
 else $cmd = $cmd." ".$arg;  
   
 }  
   
 fputs($this->sock, $cmd."\r\n");  
   
 $this->smtp_debug("> ".$cmd."\n");  
   
 return $this->smtp_ok();  
   
 }  
   
 function smtp_error($string)  
   
 {  
   
 $this->log_write("Error: Error occurred while ".$string.".\n");  
   
 return FALSE;  
   
 }  
   
 function log_write($message)  
   
 {  
   
 $this->smtp_debug($message);  
   
 if ($this->log_file == "") {  
   
 return TRUE;  
   
 }  
   
 $message = date("M d H:i:s ").get_current_user()."[".getmypid()."]: ".$message;  
   
 if (!@file_exists($this->log_file) || !($fp = @fopen($this->log_file, "a"))) {  
   
 $this->smtp_debug("Warning: Cannot open log file \"".$this->log_file."\"\n");  
   
 return FALSE;;  
   
 }  
   
 flock($fp, LOCK_EX);  
   
 fputs($fp, $message);  
   
 fclose($fp);  
   
   
 return TRUE;  
   
 }  
   
   
 function strip_comment($address)  
   
 {  
   
  $comment = "/\([^()]*\)/";  
    
  #while (ereg($comment, $address)) {  
  while (preg_match($comment, $address)) {  
    
   #$address = ereg_replace($comment, "", $address);  
   $address = preg_replace($comment, "", $address);  
    
  }  
    
    
  return $address;  
   
 }  
   
   
 function get_address($address)  
   
 {  
   
  #$address = ereg_replace("([ \t\r\n])+", "", $address);  
  $address = preg_replace("/([ \t\r\n])+/", "", $address);  
    
  #$address = ereg_replace("^.*<(.+)>.*$", "\1", $address);  
  $address = preg_replace("/^.*<(.+)>.*$/", "\1", $address);  
    
  return $address;  
   
 }  
   
 function smtp_debug($message)  
   
 {  
   
  if ($this->debug) {  
    
   echo $message;  
    
  }  
   
 }  

   
}  

?>
